@Nesoiancitizen Winged Unicorn with infinite powers. Thats pretty easy . Would you rather only play sims 2 and 1 for the rest of you're life or sims 3 and 4 .. ?
Don't worry, there is a disk at the top corner on the main menu. Press that and make a new game. You will still have the previous game. To play your previous save just press load game.